In my class, my teacher asks about the colour of solutions after reactions and I never seem to understand from where my classmates know the answers. Is there some rule which I can follow, or is it something I just have to learn them from the internet?

sorry idk what you mean

Explanation:

it's c. elements are placed in rows based on how may valencies electrons have.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl